Bearing - 12.7mm OD x 4.8mm ID

The most common ball bearing for your various woodworking needs. Most router bits requiring ball bearings are supplied with a B3 bearing unless otherwise noted.

Ball Bearings are used on a router bit to follow a template or the flat edge of your workpiece. The inside of the bearing has several metal balls that allow the bearing to freely roll without restraint.

Diameter: 12.7mm
Internal Diameter: 4.8mm